Finding the Fourth Proportional to 3,410.31, 5,111.42 and 1,458.39

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.31 : 5,111.42 = 1,458.39 : x
2. Step 2: Convert to fraction form
   3,410.31/5,111.42 = 1,458.39/x
3. Step 3: Cross multiply
   3,410.31x = 5,111.42 × 1,458.39
4. Step 4: Simplify right side
   3,410.31x = 7,454,436.52
5. Step 5: Solve for x
   x = 7,454,436.52/3,410.31
6. Step 6: Final answer
   x = 2,185.85